Inserting empty string into auto_increment column in MySQL 5

Posted by QmunkE on Stack Overflow See other posts from Stack Overflow or by QmunkE
Published on 2010-06-07T12:34:20Z Indexed on 2010/06/07 12:52 UTC
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mysql

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php5

Hi,

I've inherited a project which we are trying to migrate to MySQL 5 from MySQL 4.0(!) and from myISAM to InnoDB. Queries are now falling down because they are being constructed using an ADODB connection's ->qstr() on all parameters, including ints. Where no value is provided I end up with:

INSERT INTO tablename VALUES ('', 'stuff'...)

where the first column is an auto_increment. This causes an error (fair enough since '' isn't an int). Is there a switch in MySQL to make it behave as it used to (I assume it just silently converted to 0?)

Thanks.

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